From: Anders Carlsson <andersca@mac.com>
Date: Tue, 24 Mar 2009 01:46:45 +0000 (+0000)
Subject: Handle pointers to arrays of abstract types.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5eff73c7679349f39e3602e05fff1ff347a28858;p=clang

Handle pointers to arrays of abstract types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67598 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index d1b210df46..89805a84ac 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -792,7 +792,16 @@ bool Sema::RequireNonAbstractType(SourceLocation Loc, QualType T,
   
   if (const ArrayType *AT = Context.getAsArrayType(T))
     return RequireNonAbstractType(Loc, AT->getElementType(), DiagID, SelID);
+  
+  if (const PointerType *PT = T->getAsPointerType()) {
+    // Find the innermost pointer type.
+    while (const PointerType *T = PT->getPointeeType()->getAsPointerType())
+      PT = T;
     
+    if (const ArrayType *AT = Context.getAsArrayType(PT->getPointeeType()))
+      return RequireNonAbstractType(Loc, AT->getElementType(), DiagID, SelID);
+  }
+  
   const RecordType *RT = T->getAsRecordType();
   if (!RT)
     return false;
diff --git a/test/SemaCXX/abstract.cpp b/test/SemaCXX/abstract.cpp
index 9c8e2dc977..dfe0a65798 100644
--- a/test/SemaCXX/abstract.cpp
+++ b/test/SemaCXX/abstract.cpp
@@ -42,7 +42,9 @@ void f() {
     t3(C()); // expected-error {{allocation of an object of abstract type 'C'}}
 }
 
-C e[2]; // expected-error {{variable type 'C' is an abstract class}}
+C e1[2]; // expected-error {{variable type 'C' is an abstract class}}
+C (*e2)[2]; // expected-error {{variable type 'C' is an abstract class}}
+C (**e3)[2]; // expected-error {{variable type 'C' is an abstract class}}
 
 void t4(C c[2]); // expected-error {{parameter type 'C' is an abstract class}}